US9539142B2 - Steerable laser probe

20 claims: 1 independent, 19 dependent

1
Broadest claimClaim Score 14, narrow(NHIP)A method for performing an ophthalmic procedure comprising:compressing an actuation structure of a handle wherein the actuation structure has an actuation structure distal end and an actuation structure proximal end and wherein the handle has a handle distal end and a handle proximal end;rotating a first link about a first link pin;preventing movement of the first link relative to the first link pin;rotating the first link about a second link pin;preventing movement of the first link relative to the second link pin;extending the second link pin relative to the handle proximal end;rotating a second link about a third link pin;preventing movement of the second link relative to the third link pin;rotating the second link about a fourth link pin;preventing movement of the second link relative to the fourth link pin;extending the fourth link pin relative to the handle proximal end;extending a nosecone relative to the handle proximal end by a rotation of the first link about the first link pin and the second link pin and by a rotation of the second link about the third link pin and the fourth link pin;extending an inner hypodermic tube relative to the handle proximal end wherein the inner hypodermic tube has an inner hypodermic tube distal end and an inner hypodermic tube proximal end and wherein the inner hypodermic tube proximal end is fixed within a piston and the inner hypodermic tube distal end is fixed within the nosecone;actuating the piston within an actuation guide;extending the piston relative to the handle proximal end wherein the piston has a piston distal end and a piston proximal end;extending a flexible housing tube relative to the handle proximal end wherein the flexible housing tube has a flexible housing tube distal end and a flexible housing tube proximal end;applying a force to a portion of the flexible housing tube;curving the flexible housing tube;curving an optic fiber relative to the flexible housing tube proximal end wherein the optic fiber has an optic fiber distal end and an optic fiber proximal end and wherein the optic fiber is disposed in the flexible housing tube, an optic fiber guide, the piston, the inner hypodermic tube, and the nosecone;aiming the optic fiber distal end at a photocoagulation target;andperforming a photocoagulation procedure.

84 paragraphs in 6 sections, as filed

This Application is a continuation of prior application Ser. No. 13/963,038 filed Aug. 9, 2013.

FIELD OF THE INVENTION

The present disclosure relates to a surgical instrument, and, more particularly, to a steerable laser probe.

BACKGROUND OF THE INVENTION

A wide variety of ophthalmic procedures require a laser energy source. For example, ophthalmic surgeons may use laser photocoagulation to treat proliferative retinopathy. Proliferative retinopathy is a condition characterized by the development of abnormal blood vessels in the retina that grow into the vitreous humor. Ophthalmic surgeons may treat this condition by energizing a laser to cauterize portions of the retina to prevent the abnormal blood vessels from growing and hemorrhaging.

In order to increase the chances of a successful laser photocoagulation procedure, it is important that a surgeon is able aim the laser at a plurality of targets within the eye, e.g., by guiding or moving the laser from a first target to a second target within the eye. It is also important that the surgeon is able to easily control a movement of the laser. For example, the surgeon must be able to easily direct a laser beam by steering the beam to a first position aimed at a first target, guide the laser beam from the first position to a second position aimed at a second target, and hold the laser beam in the second position. Accordingly, there is a need for a surgical laser probe that can be easily guided to a plurality of targets within the eye.

BRIEF SUMMARY OF THE INVENTION

The present disclosure presents a steerable laser probe. Illustratively, a steerable laser probe may comprise an actuation structure, a nosecone fixed to the actuation structure by one or more links and one or more link pins, a flexible housing tube, and an optic fiber disposed in the flexible housing tube and the actuation structure. In one or more embodiments, a compression of the actuation structure may be configured to gradually curve the flexible housing tube. Illustratively, a gradual curving of the flexible housing tube may be configured to gradually curve the optic fiber. In one or more embodiments, a decompression of the actuation structure may be configured to gradually straighten the flexible housing tube. Illustratively, a gradual straightening of the flexible housing tube may be configured to gradually curve the optic fiber.

BRIEF DESCRIPTION OF THE DRAWINGS

The above and further advantages of the present invention may be better understood by referring to the following description in conjunction with the accompanying drawings in which like reference numerals indicate identical or functionally similar elements:

<figref idref="DRAWINGS">FIG. 1</figref> is a schematic diagram illustrating an exploded view of a handle assembly;

<figref idref="DRAWINGS">FIGS. 2A and 2B</figref> are schematic diagrams illustrating a handle;

<figref idref="DRAWINGS">FIG. 3</figref> is a schematic diagram illustrating a flexible housing tube;

<figref idref="DRAWINGS">FIG. 4</figref> is a schematic diagram illustrating an exploded view of a steerable laser probe assembly;

<figref idref="DRAWINGS">FIGS. 5A, 5B, 5C, 5D, and 5E</figref> are schematic diagrams illustrating a gradual curving of an optic fiber;

<figref idref="DRAWINGS">FIGS. 6A, 6B, 6C, 6D, and 6E</figref> are schematic diagrams illustrating a gradual straightening of an optic fiber;

<figref idref="DRAWINGS">FIGS. 7A and 7B</figref> are schematic diagrams illustrating a handle;

<figref idref="DRAWINGS">FIG. 8</figref> is a schematic diagram illustrating a flexible housing tube;

<figref idref="DRAWINGS">FIG. 9</figref> is a schematic diagram illustrating an exploded view of a steerable laser probe assembly;

<figref idref="DRAWINGS">FIGS. 10A, 10B, 10C, 10D, and 10E</figref> are schematic diagrams illustrating a gradual curving of an optic fiber;

<figref idref="DRAWINGS">FIGS. 11A, 11B, 11C, 11D, and 11E</figref> are schematic diagrams illustrating a gradual straightening of an optic fiber.

DETAILED DESCRIPTION OF AN ILLUSTRATIVE EMBODIMENT

<figref idref="DRAWINGS">FIG. 1</figref> is a schematic diagram illustrating an exploded view of a handle assembly 100. Illustratively, a handle assembly 100 may comprise a nosecone 105 having a nosecone distal end 106 and a nosecone proximal end 107, an actuation structure 110 having an actuation structure distal end 111 and an actuation structure proximal end 112, a front plug 115, a distal ring 116, a proximal ring 117, an outer sleeve 120 having an outer sleeve distal end 121 and an outer sleeve proximal end 122, an actuation guide 130 having an actuation guide distal end 131 and an actuation guide proximal end 132, an inner hypodermic tube 140 having an inner hypodermic tube distal end 141 and an inner hypodermic tube proximal end 142, a piston 150 having a piston distal end 151 and a piston proximal end 152, an end plug 160 having an end plug distal end 161 and an end plug proximal end 162, one or more links 170, one or more spacers 175, and one or more link pins 180. In one or more embodiments, nosecone 105, actuation structure 110, front plug 115, outer sleeve 120, actuation guide 130, inner hypodermic tube 140, piston 150, and end plug 160 may be manufactured from any suitable material, e.g., polymers, metals, metal alloys, etc., or from any combination of suitable materials.

<figref idref="DRAWINGS">FIGS. 2A and 2B</figref> are schematic diagrams illustrating a handle 200. <figref idref="DRAWINGS">FIG. 2A</figref> illustrates a side view of a handle 200. Illustratively, handle 200 may comprise a handle distal end 201 and a handle proximal end 202. In one or more embodiments, a portion of nosecone 105 may be fixed to a portion of actuation structure 110, e.g., nosecone proximal end 107 may be fixed to actuation structure distal end 111. Illustratively, nosecone 105 may be fixed to actuation structure 110, e.g., by one or more links 170. In one or more embodiments, one or more link pins 180 may be configured to fix nosecone 105 to one or more links 170, e.g., a particular link pin 180 may be disposed within nosecone 105 and a particular link 170. Illustratively, one or more link pins 180 may be configured to fix actuation structure 110 to one or more links 170, e.g., a particular link pin 180 may be disposed within actuation structure 110 and a particular link 170. In one or more embodiments, a first link pin 180 may be configured to fix nosecone 105 to a particular link 170 and a second link pin 180 may be configured to fix actuation structure 110 to the particular link 175. Illustratively, one or more spacers 175 may be configured to prevent undesirable movement of one or more links 170 relative to one or more link pins 180, e.g., a particular spacer 175 may be disposed over a portion of a particular link pin 180 extending from a particular link 170.

In one or more embodiments, a portion of inner hypodermic tube 140 may be disposed within piston 150, e.g., inner hypodermic tube proximal end 142 may be disposed within piston 150. Illustratively, a portion of inner hypodermic tube 140 may be fixed within piston 150, e.g., by an adhesive or any suitable fixation means. In one or more embodiments, inner hypodermic tube proximal end 142 may be fixed within piston 150, e.g., by an adhesive or any suitable fixation means. Illustratively, actuation guide 130 may be disposed within outer sleeve 120. In one or more embodiments, actuation guide 130 may be fixed within outer sleeve 120, e.g., by an adhesive or any suitable fixation means. Illustratively, piston 150 may be disposed within actuation guide 130. In one or more embodiments, piston 150 may be configured to actuate within actuation guide 130.

In one or more embodiments, distal ring 116 may be disposed over a portion of front plug 115. Illustratively, front plug 115 may be configured to interface with a portion of outer sleeve 120, e.g., front plug 115 may be configured to interface with outer sleeve distal end 121. In one or more embodiments, front plug 115 may be configured to interface with a portion of actuation guide 130, e.g., front plug 115 may be configured to interface with actuation guide distal end 131. Illustratively, front plug 115 may be disposed within outer sleeve 120. In one or more embodiments, a portion of front plug 115 may be disposed within actuation guide 130. Illustratively, distal ring 116 may be disposed within actuation guide 130, e.g., distal ring 116 may be configured to form a hermetic seal within actuation guide 130.

In one or more embodiments, proximal ring 117 may be disposed over a portion of end plug 160. Illustratively, end plug 160 may be configured to interface with a portion of outer sleeve 120, e.g., end plug 160 may be configured to interface with outer sleeve proximal end 122. In one or more embodiments, end plug 160 may be configured to interface with a portion of actuation guide 130, e.g., end plug 160 may be configured to interface with actuation guide proximal end 132. For example, a portion of end plug 160 may be disposed within actuation guide 130. Illustratively, proximal ring 117 may be disposed within actuation guide 130, e.g., proximal ring 117 may be configured to form a hermetic seal within actuation guide 130. In one or more embodiments, end plug 160 may be disposed within outer sleeve 120. Illustratively, inner hypodermic tube 140 may be disposed within piston 150, actuation guide 130, front plug 115, distal ring 116, and nosecone 105. In one or more embodiments, a portion of inner hypodermic tube 140 may be fixed within nosecone 105, e.g., inner hypodermic tube distal end 141 may be fixed within nosecone 105. Illustratively, a portion of inner hypodermic tube 140 may be fixed within nosecone 105, e.g., by an adhesive or any suitable fixation means.

In one or more embodiments, a compression of actuation structure 110 may be configured to rotate one or more links 170 about one or more link pins 180. Illustratively, a rotation of one or more links 170 about one or more link pins 180 may be configured to extend a particular link pin 180, e.g., a particular link pin 180 disposed in nosecone 105, relative to handle proximal end 202. In one or more embodiments, an extension of a particular link pin 180 disposed in nosecone 105 relative to handle proximal end 202 may be configured to extend nosecone 105 relative to handle proximal end 202. Illustratively, a compression of actuation structure 110 may be configured to extend nosecone 105 relative to handle proximal end 202. In one or more embodiments, an extension of nosecone 105 relative to handle proximal end 202 may be configured to extend inner hypodermic tube 140 relative to handle proximal end 202. Illustratively, an extension of inner hypodermic tube 140 relative to handle proximal end 202 may be configured to actuate piston 150 within actuation guide 130. In one or more embodiments, a compression of actuation structure 110 may be configured to extend piston 150 relative to handle proximal end 202.

In one or more embodiments, a decompression of action structure 110 may be configured to rotate one or more links 170 about one or more link pins 180. Illustratively, a rotation of one or more links 170 about one or more link pins 180 may be configured to retract a particular link pin 180, e.g., a particular link pin 180 disposed in nosecone 105, relative to handle proximal end 202. In one or more embodiments, a retraction of a particular link pin 180 disposed in nosecone 105 relative to handle proximal end 202 may be configured to retract nosecone 105 relative to handle proximal end 202. Illustratively, a decompression of actuation structure 110 may be configured to retract nosecone 105 relative to handle proximal end 202. In one or more embodiments, a retraction of nosecone 105 relative to handle proximal end 202 may be configured to retract inner hypodermic tube 140 relative to handle proximal end 202. Illustratively, a retraction of inner hypodermic tube 140 relative to handle proximal end 202 may be configured to actuate piston 150 within actuation guide 130. In one or more embodiments, a decompression of actuation structure 110 may be configured to retract piston 150 relative to handle proximal end 202.

<figref idref="DRAWINGS">FIG. 2B</figref> illustrates a cross-sectional view of a handle 200. In one or more embodiments, handle 200 may comprise an optic fiber housing 210, an inner bore 220, an optic fiber guide 230, and a flexible housing tube housing 240. Illustratively, handle 200 may be manufactured from any suitable material, e.g., polymers, metals, metal alloys, etc., or from any combination of suitable materials.

<figref idref="DRAWINGS">FIG. 3</figref> is a schematic diagram illustrating a flexible housing tube 300. Illustratively, flexible housing tube 300 may comprise a flexible housing tube distal end 301 and a flexible housing tube proximal end 302. Flexible housing tube 300 may be manufactured from any suitable material, e.g., polymers, metals, metal alloys, etc., or from any combination of suitable materials. Illustratively, flexible housing tube 300 may comprise a shape memory material, e.g., Nitinol. In one or more embodiments, flexible housing tube 300 may be manufactured from a material having an ultimate tensile strength between 700 and 1000 MPa. Illustratively, flexible housing tube 300 may be manufactured from a material having ultimate tensile strength less than 700 MPa or greater than 1000 MPa. In one or more embodiments, flexible housing tube 300 may be manufactured from a material having a modulus of elasticity between 30 and 80 GPa. Illustratively, flexible housing tube 300 may be manufactured from a material having a modulus of elasticity less than 30 GPa or greater than 80 GPa.

In one or more embodiments, flexible housing tube 300 may be manufactured with dimensions suitable for performing microsurgical procedures, e.g., ophthalmic surgical procedures. Illustratively, flexible housing tube 300 may be manufactured at gauge sizes commonly used in ophthalmic surgical procedures, e.g., 23 gauge, 25 gauge, etc. In one or more embodiments, flexible housing tube 300 may be configured to be inserted in a cannula, e.g., a cannula used during an ophthalmic surgical procedure. For example, one or more properties of flexible housing tube 300 may be optimized to reduce friction as flexible housing tube 300 is inserted into a cannula. In one or more embodiments, one or more properties of flexible housing tube 300 may be optimized to reduce friction as flexible housing tube 300 is removed from a cannula. Illustratively, flexible housing tube 300 may have an ultimate tensile strength between 1000 MPa and 1100 MPa. In one or more embodiments, flexible housing tube 300 may have an ultimate tensile strength less than 1000 MPa or greater than 1100 MPa.

In one or more embodiments, an optic fiber 310 may be disposed within flexible housing tube 300. Illustratively, optic fiber 310 may comprise an optic fiber distal end 311 and an optic fiber proximal end 312. In one or more embodiments, optic fiber 310 may be configured to transmit light, e.g., laser light. Illustratively, optic fiber 310 may be disposed within flexible housing tube 300 wherein optic fiber distal end 311 may be adjacent to flexible housing tube distal end 301. In one or more embodiments, a portion of optic fiber 310 may be fixed to a portion of flexible housing tube 300, e.g., by an adhesive or any suitable fixation means.

<figref idref="DRAWINGS">FIG. 4</figref> is a schematic diagram illustrating an exploded view of a steerable laser probe assembly 400. Illustratively, a steerable laser probe assembly 400 may comprise a handle 200, a flexible housing tube 300 having a flexible housing tube distal end 301 and a flexible housing tube proximal end 302, an optic fiber 310 having an optic fiber distal end 311 and an optic fiber proximal end 312, and a light source interface 410. Illustratively, light source interface 410 may be configured to interface with optic fiber 310, e.g., at optic fiber proximal end 312. In one or more embodiments, light source interface 410 may comprise a standard light source connector, e.g., an SMA connector.

Illustratively, a portion of flexible housing tube 300 may be fixed to nosecone 105, e.g., flexible housing tube proximal end 302 may be fixed to nosecone distal end 106. In one or more embodiments, a portion of flexible housing tube 300 may be fixed to nosecone 105, e.g., by an adhesive or any suitable fixation means. Illustratively, a portion of flexible housing tube 300 may be disposed within nosecone 105, e.g., flexible housing tube proximal end 302 may be disposed within nosecone 105. In one or more embodiments, a portion of flexible housing tube 300 may be fixed within nosecone 105, e.g., by an adhesive or any suitable fixation means. Illustratively, a portion of flexible housing tube 300 may be disposed within flexible housing tube housing 240, e.g., flexible housing tube proximal end 302 may be disposed within flexible housing tube housing 240. In one or more embodiments, a portion of flexible housing tube 300 may be fixed within flexible housing tube housing 240, e.g., by an adhesive or any suitable fixation means. For example, a portion of flexible housing tube 300 may be fixed within flexible housing tube housing 240 by a press fit, a weld, etc.

Illustratively, optic fiber 310 may be disposed within inner bore 220, optic fiber guide 230, optic fiber housing 210, piston 150, inner hypodermic tube 140, nosecone 105, and flexible housing tube 300. In one or more embodiments, optic fiber 310 may be disposed within flexible housing tube 300 wherein optic fiber distal end 311 is adjacent to flexible housing tube distal end 301. In one or more embodiments, a portion of optic fiber 310 may be fixed to a portion of flexible housing tube 300, e.g., by an adhesive or any suitable fixation means. Illustratively, a portion of optic fiber 310 may be fixed in a position relative to handle proximal end 202. In one or more embodiments, optic fiber 310 may be fixed within optic fiber housing 210, e.g., by an adhesive or any suitable fixation means. For example, optic fiber 310 may be fixed within optic fiber housing 210 by a press fit, a setscrew, etc. Illustratively, a first portion of optic fiber 310 may be fixed in optic fiber housing 210 and a second portion of optic fiber 310 may be fixed to a portion of flexible housing tube 300.

In one or more embodiments, a compression of actuation structure 110 may be configured to rotate one or more links 170 about one or more link pins 180. Illustratively, a rotation of one or more links 170 about one or more link pins 180 may be configured to extend nosecone 105 relative to handle proximal end 202. In one or more embodiments, an extension of nosecone 105 relative to handle proximal end 202 may be configured to extend flexible housing tube 300 relative to handle proximal end 202. Illustratively, an extension of flexible housing tube 300 relative to handle proximal end 202 may be configured to extend flexible housing tube 300 relative to optic fiber 310. In one or more embodiments, a portion of optic fiber 310, e.g., a portion of optic fiber 310 fixed to flexible housing tube 300, may be configured to resist an extension of flexible housing tube 300 relative to optic fiber 310. Illustratively, optic fiber 310 may be fixed within optic fiber housing 210 and optic fiber 310 may be fixed to flexible housing tube 300. In one or more embodiments, an extension of flexible housing tube 300 relative to optic fiber 310 may be configured to apply a force to a portion of flexible housing tube 300. Illustratively, an application of a force to a portion of flexible housing tube 300 may be configured to compress a portion of flexible housing tube 300, e.g., an application of a force to a portion of flexible housing tube 300 may be configured to compress a portion of flexible housing tube 300. In one or more embodiments, a compression of a portion of flexible housing tube 300 may be configured to cause flexible housing tube 300 to gradually curve. Illustratively, a gradual curving of flexible housing tube 300 may be configured to gradually curve optic fiber 310. In one or more embodiments, a compression of actuation structure 110 may be configured to gradually curve optic fiber 310. Illustratively, a compression of actuation structure 110 may be configured to gradually curve flexible housing tube 300.

In one or more embodiments, a decompression of actuation structure 110 may be configured to rotate one or more links 170 about one or more link pins 180. Illustratively, a rotation of one or more links 170 about one or more link pins 180 may be configured to retract nosecone 105 relative to handle proximal end 202. In one or more embodiments, a refraction of nosecone 105 relative to handle proximal end 202 may be configured to retract flexible housing tube 300 relative to handle proximal end 202. Illustratively, a retraction of flexible housing tube 300 relative to handle proximal end 202 may be configured to retract flexible housing tube 300 relative to optic fiber 310. In one or more embodiments, a portion of optic fiber 310, e.g., a portion of optic fiber 310 fixed to flexible housing tube 300, may be configured to facilitate a retraction of flexible housing tube 300 relative to optic fiber 310. Illustratively, optic fiber 310 may be fixed within optic fiber housing 210 and optic fiber 310 may be fixed to flexible housing tube 300. In one or more embodiments, a retraction of flexible housing tube 300 relative to optic fiber 310 may be configured to reduce a force applied to a portion of flexible housing tube 300. Illustratively, a reduction of a force applied to a portion of flexible housing tube 300 may be configured to decompress a portion of flexible housing tube 300, e.g., a reduction of a force applied to a portion of flexible housing tube 300 may be configured to decompress a portion of flexible housing tube 300. In one or more embodiments, a decompression of a portion of flexible housing tube 300 may be configured to cause flexible housing tube 300 to gradually straighten. Illustratively, a gradual straightening of flexible housing tube 300 may be configured to gradually straighten optic fiber 310. In one or more embodiments, a decompression of actuation structure 110 may be configured to gradually straighten optic fiber 310. Illustratively, a decompression of actuation structure 110 may be configured to gradually straighten flexible housing tube 300.

<figref idref="DRAWINGS">FIGS. 5A, 5B, 5C, 5D, and 5E</figref> are schematic diagrams illustrating a gradual curving of an optic fiber 310. <figref idref="DRAWINGS">FIG. 5A</figref> illustrates a straight optic fiber 500. In one or more embodiments, optic fiber 310 may comprise a straight optic fiber 500, e.g., when flexible housing tube 300 is fully retracted relative to optic fiber 310. Illustratively, optic fiber 310 may comprise a straight optic fiber 500, e.g., when actuation structure 110 is fully decompressed. In one or more embodiments, optic fiber 310 may comprise a straight optic fiber 500, e.g., when nosecone 105 is fully retracted relative to handle proximal end 202. Illustratively, a line tangent to optic fiber distal end 311 may be parallel to a line tangent to flexible housing tube proximal end 302, e.g., when optic fiber 310 comprises a straight optic fiber 500.

<figref idref="DRAWINGS">FIG. 5B</figref> illustrates an optic fiber in a first curved position 510. In one or more embodiments, a compression of actuation structure 110 may be configured to gradually curve optic fiber 310 from a straight optic fiber 500 to an optic fiber in a first curved position 510. Illustratively, a compression of actuation structure 110 may be configured to rotate one or more links 170 about one or more link pins 180. In one or more embodiments, a rotation of one or more links 170 about one or more link pins 180 may be configured to extend nosecone 105 relative to handle proximal end 202. Illustratively, an extension of nosecone 105 relative to handle proximal end 202 may be configured to extend flexible housing tube 300 relative to optic fiber 310. In one or more embodiments, an extension of flexible housing tube 300 relative to optic fiber 310 may be configured to apply a force to a portion of flexible housing tube 300, e.g., a portion of optic fiber 310 fixed to flexible housing tube 300 may be configured to apply a force to flexible housing tube 300. Illustratively, an application of a force to a portion of flexible housing tube 300 may be configured to compress a portion of flexible housing tube 300. In one or more embodiments, a compression of a portion of flexible housing tube 300 may be configured to cause flexible housing tube 300 to gradually curve. Illustratively, a gradual curving of flexible housing tube 300 may be configured to gradually curve optic fiber 310, e.g., from a straight optic fiber 500 to an optic fiber in a first curved position 510. In one or more embodiments, a line tangent to optic fiber distal end 311 may intersect a line tangent to flexible housing tube proximal end 302 at a first angle, e.g., when optic fiber 310 comprises an optic fiber in a first curved position 510. In one or more embodiments, the first angle may comprise any angle greater than zero degrees. For example, the first angle may comprise a 45 degree angle.

<figref idref="DRAWINGS">FIG. 5C</figref> illustrates an optic fiber in a second curved position 520. In one or more embodiments, a compression of actuation structure 110 may be configured to gradually curve optic fiber 310 from an optic fiber in a first curved position 510 to an optic fiber in a second curved position 520. Illustratively, a compression of actuation structure 110 may be configured to rotate one or more links 170 about one or more link pins 180. In one or more embodiments, a rotation of one or more links 170 about one or more link pins 180 may be configured to extend nosecone 105 relative to handle proximal end 202. Illustratively, an extension of nosecone 105 relative to handle proximal end 202 may be configured to extend flexible housing tube 300 relative to optic fiber 310. In one or more embodiments, an extension of flexible housing tube 300 relative to optic fiber 310 may be configured to apply a force to a portion of flexible housing tube 300, e.g., a portion of optic fiber 310 fixed to flexible housing tube 300 may be configured to apply a force to flexible housing tube 300. Illustratively, an application of a force to a portion of flexible housing tube 300 may be configured to compress a portion of flexible housing tube 300. In one or more embodiments, a compression of a portion of flexible housing tube 300 may be configured to cause flexible housing tube 300 to gradually curve. Illustratively, a gradual curving of flexible housing tube 300 may be configured to gradually curve optic fiber 310, e.g., from an optic fiber in a first curved position 510 to an optic fiber in a second curved position 520. In one or more embodiments, a line tangent to optic fiber distal end 311 may intersect a line tangent to flexible housing tube proximal end 302 at a second angle, e.g., when optic fiber 310 comprises an optic fiber in a second curved position 520. In one or more embodiments, the second angle may comprise any angle greater than the first angle. For example, the second angle may comprise a 90 degree angle.

<figref idref="DRAWINGS">FIG. 5D</figref> illustrates an optic fiber in a third curved position 530. In one or more embodiments, a compression of actuation structure 110 may be configured to gradually curve optic fiber 310 from an optic fiber in a second curved position 520 to an optic fiber in a third curved position 530. Illustratively, a compression of actuation structure 110 may be configured to rotate one or more links 170 about one or more link pins 180. In one or more embodiments, a rotation of one or more links 170 about one or more link pins 180 may be configured to extend nosecone 105 relative to handle proximal end 202. Illustratively, an extension of nosecone 105 relative to handle proximal end 202 may be configured to extend flexible housing tube 300 relative to optic fiber 310. In one or more embodiments, an extension of flexible housing tube 300 relative to optic fiber 310 may be configured to apply a force to a portion of flexible housing tube 300, e.g., a portion of optic fiber 310 fixed to flexible housing tube 300 may be configured to apply a force to flexible housing tube 300. Illustratively, an application of a force to a portion of flexible housing tube 300 may be configured to compress a portion of flexible housing tube 300. In one or more embodiments, a compression of a portion of flexible housing tube 300 may be configured to cause flexible housing tube 300 to gradually curve. Illustratively, a gradual curving of flexible housing tube 300 may be configured to gradually curve optic fiber 310, e.g., from an optic fiber in a second curved position 520 to an optic fiber in a third curved position 530. In one or more embodiments, a line tangent to optic fiber distal end 311 may intersect a line tangent to flexible housing tube proximal end 302 at a third angle, e.g., when optic fiber 310 comprises an optic fiber in a third curved position 530. In one or more embodiments, the third angle may comprise any angle greater than the second angle. For example, the third angle may comprise a 135 degree angle.

<figref idref="DRAWINGS">FIG. 5E</figref> illustrates an optic fiber in a fourth curved position 540. In one or more embodiments, a compression of actuation structure 110 may be configured to gradually curve optic fiber 310 from an optic fiber in a third curved position 530 to an optic fiber in a fourth curved position 540. Illustratively, a compression of actuation structure 110 may be configured to rotate one or more links 170 about one or more link pins 180. In one or more embodiments, a rotation of one or more links 170 about one or more link pins 180 may be configured to extend nosecone 105 relative to handle proximal end 202. Illustratively, an extension of nosecone 105 relative to handle proximal end 202 may be configured to extend flexible housing tube 300 relative to optic fiber 310. In one or more embodiments, an extension of flexible housing tube 300 relative to optic fiber 310 may be configured to apply a force to a portion of flexible housing tube 300, e.g., a portion of optic fiber 310 fixed to flexible housing tube 300 may be configured to apply a force to flexible housing tube 300. Illustratively, an application of a force to a portion of flexible housing tube 300 may be configured to compress a portion of flexible housing tube 300. In one or more embodiments, a compression of a portion of flexible housing tube 300 may be configured to cause flexible housing tube 300 to gradually curve. Illustratively, a gradual curving of flexible housing tube 300 may be configured to gradually curve optic fiber 310, e.g., from an optic fiber in a third curved position 530 to an optic fiber in a fourth curved position 540. In one or more embodiments, a line tangent to optic fiber distal end 311 may be parallel to a line tangent to flexible housing tube proximal end 302, e.g., when optic fiber 310 comprises an optic fiber in a fourth curved position 540.

In one or more embodiments, one or more properties of a steerable laser probe may be adjusted to attain one or more desired steerable laser probe features. Illustratively, a length that flexible housing tube distal end 301 extends from nosecone distal end 106 may be adjusted to vary an amount of compression of actuation structure 110 configured to curve flexible housing tube 300 to a particular curved position. In one or more embodiments, a stiffness of flexible housing tube 300 may be adjusted to vary an amount of compression of actuation structure 110 configured to curve flexible housing tube 300 to a particular curved position. Illustratively, flexible housing tube 300 may comprise a solid tube structure. In one or more embodiments, flexible housing tube 300 may comprise one or more apertures, e.g., configured to vary a stiffness of flexible housing tube 300. Illustratively, a material comprising flexible housing tube 300 may be adjusted to vary an amount of compression of actuation structure 110 configured to curve flexible housing tube 300 to a particular curved position. In one or more embodiments, a stiffness of flexible housing tube 300 may be adjusted to vary a bend radius of flexible housing tube 300. Illustratively, a stiffness of flexible housing tube 300 may be adjusted to vary a radius of curvature of flexible housing tube 300, e.g., when flexible housing tube 300 is in a particular curved position.

In one or more embodiments, at least a portion of optic fiber 310 may be enclosed in an optic fiber sleeve configured to, e.g., protect optic fiber 310, vary a stiffness of optic fiber 310, vary an optical property of optic fiber 310, etc. Illustratively, an optic fiber sleeve may be configured to compress a portion of flexible housing tube 300. For example, an optic fiber sleeve may be disposed over a portion of optic fiber 310 fixed within optic fiber housing 210 and the optic fiber sleeve may be disposed over a portion of optic fiber 310 fixed to a portion of flexible housing tube 300. In one or more embodiments, a compression of actuation structure 110 may be configured to extend flexible housing tube 300 relative to the optic fiber sleeve. Illustratively, an extension of flexible housing tube 300 relative to the optic fiber sleeve may cause the optic fiber sleeve to apply a force to a portion of flexible housing tube 300. Illustratively, an application of a force to a portion of flexible housing tube 300 may be configured to compress a portion of flexible housing tube 300 causing flexible housing tube 300 to gradually curve.

Illustratively, optic fiber 310 may comprise a buffer, a cladding disposed in the buffer, and a core disposed in the cladding. In one or more embodiments, at least a portion of optic fiber 310 may comprise a buffer configured to protect an optical property of optic fiber 310. Illustratively, at least a portion of optic fiber 310 may comprise a buffer configured to protect an optical layer of optic fiber 310, e.g., the buffer may protect an optical layer of a curved portion of optic fiber 310. In one or more embodiments, at least a portion of optic fiber 310 may comprise a polyimide buffer configured to protect an optical property of optic fiber 310. For example, at least a portion of optic fiber 310 may comprise a Kapton buffer configured to protect an optical property of optic fiber 310.

Illustratively, a steerable laser probe may be configured to indicate, e.g., to a surgeon, a direction that optic fiber 310 may curve, e.g., due to a compression of actuation structure 110. In one or more embodiments, a portion of a steerable laser probe, e.g., handle 200, may be marked in a manner configured to indicate a direction that optic fiber 310 may curve. For example, a portion of flexible housing tube 300 may comprise a mark configured to indicate a direction that optic fiber 310 may curve. Illustratively, flexible housing tube 300 may comprise a slight curve, e.g., a curve less than 7.5 degrees, when actuation structure 110 is fully decompressed. In one or more embodiments, flexible housing tube 300 may comprise a slight curve configured to indicate a direction that optic fiber 310 may curve, e.g., due to a compression of actuation structure 110.

Illustratively, a steerable laser probe may comprise an actuation structure 110, a nosecone 105 fixed to actuation structure 110 by one or more links 170 and one or more link pins 180, a flexible housing tube 300, and an optic fiber 310. In one or more embodiments, a compression of actuation structure 110 may be configured to extend nosecone 105 relative to actuation structure proximal end 112. Illustratively, an extension of nosecone 105 relative to actuation structure proximal end 112 may be configured to extend flexible housing tube 300 relative to optic fiber 310. In one or more embodiments, an extension of flexible housing tube 300 relative to optic fiber 310 may be configured to apply a force to flexible housing tube 300. Illustratively an application of a force to flexible housing tube 300 may be configured to compress a portion of flexible housing tube 300. In one or more embodiments, a compression of a portion of flexible housing tube 300 may cause flexible housing tube 300 to gradually curve. Illustratively, a gradual curving of flexible housing tube 300 may be configured to gradually curve optic fiber 310.

<figref idref="DRAWINGS">FIGS. 6A, 6B, 6C, 6D, and 6E</figref> are schematic diagrams illustrating a gradual straightening of an optic fiber 310. <figref idref="DRAWINGS">FIG. 6A</figref> illustrates a fully curved optic fiber 600. In one or more embodiments, optic fiber 310 may comprise a fully curved optic fiber 600, e.g., when flexible housing tube 300 is fully extended relative to optic fiber 310. Illustratively, optic fiber 310 may comprise a fully curved optic fiber 600, e.g., when actuation structure 110 is fully compressed. In one or more embodiments, optic fiber 310 may comprise a fully curved optic fiber 600, e.g., when nosecone 105 is fully extended relative to handle proximal end 202. Illustratively, a line tangent to optic fiber distal end 311 may be parallel to a line tangent to flexible housing tube proximal end 302, e.g., when optic fiber 310 comprises a fully curved optic fiber 600.

<figref idref="DRAWINGS">FIG. 6B</figref> illustrates an optic fiber in a first partially straightened position 610. In one or more embodiments, a decompression of actuation structure 110 may be configured to gradually straighten optic fiber 310 from a fully curved optic fiber 600 to an optic fiber in a first partially straightened position 610. Illustratively, a decompression of actuation structure 110 may be configured to rotate one or more links 170 about one or more link pins 180. In one or more embodiments, a rotation of one or more links 170 about one or more link pins 180 may be configured to retract nosecone 105 relative to handle proximal end 202. Illustratively, a retraction of nosecone 105 relative to handle proximal end 202 may be configured to retract flexible housing tube 300 relative to optic fiber 310. In one or more embodiments, a retraction of flexible housing tube 300 relative to optic fiber 310 may be configured to reduce a force applied to a portion of flexible housing tube 300, e.g., a portion of optic fiber 310 fixed to flexible housing tube 300 may be configured to reduce a force applied to flexible housing tube 300. Illustratively, a reduction of a force applied to a portion of flexible housing tube 300 may be configured to decompress a portion of flexible housing tube 300. In one or more embodiments, a decompression of a portion of flexible housing tube 300 may be configured to cause flexible housing tube 300 to gradually straighten. Illustratively, a gradual straightening of flexible housing tube 300 may be configured to gradually straighten optic fiber 310, e.g., from a fully curved optic fiber 600 to an optic fiber in a first partially straightened position 610. In one or more embodiments, a line tangent to optic fiber distal end 311 may intersect a line tangent to flexible housing tube proximal end 302 at a first partially straightened angle, e.g., when optic fiber 310 comprises an optic fiber in a first partially straightened position 610. Illustratively, the first partially straightened angle may comprise any angle less than 180 degrees. For example, the first partially straightened angle may comprise a 135 degree angle.

<figref idref="DRAWINGS">FIG. 6C</figref> illustrates an optic fiber in a second partially straightened position 620. In one or more embodiments, a decompression of actuation structure 110 may be configured to gradually straighten optic fiber 310 from an optic fiber in a first partially straightened position 610 to an optic fiber in a second partially straightened position 620. Illustratively, a decompression of actuation structure 110 may be configured to rotate one or more links 170 about one or more link pins 180. In one or more embodiments, a rotation of one or more links 170 about one or more link pins 180 may be configured to retract nosecone 105 relative to handle proximal end 202. Illustratively, a retraction of nosecone 105 relative to handle proximal end 202 may be configured to retract flexible housing tube 300 relative to optic fiber 310. In one or more embodiments, a retraction of flexible housing tube 300 relative to optic fiber 310 may be configured to reduce a force applied to a portion of flexible housing tube 300, e.g., a portion of optic fiber 310 fixed to flexible housing tube 300 may be configured to reduce a force applied to flexible housing tube 300. Illustratively, a reduction of a force applied to a portion of flexible housing tube 300 may be configured to decompress a portion of flexible housing tube 300. In one or more embodiments, a decompression of a portion of flexible housing tube 300 may be configured to cause flexible housing tube 300 to gradually straighten. Illustratively, a gradual straightening of flexible housing tube 300 may be configured to gradually straighten optic fiber 310, e.g., from an optic fiber in a first partially straightened position 610 to an optic fiber in a second partially straightened position 620. In one or more embodiments, a line tangent to optic fiber distal end 311 may intersect a line tangent to flexible housing tube proximal end 302 at a second partially straightened angle, e.g., when optic fiber 310 comprises an optic fiber in a second partially straightened position 620. Illustratively, the second partially straightened angle may comprise any angle less than the first partially straightened angle. For example, the second partially straightened angle may comprise a 90 degree angle.

<figref idref="DRAWINGS">FIG. 6D</figref> illustrates an optic fiber in a third partially straightened position 630. In one or more embodiments, a decompression of actuation structure 110 may be configured to gradually straighten optic fiber 310 from an optic fiber in a second partially straightened position 620 to an optic fiber in a third partially straightened position 630. Illustratively, a decompression of actuation structure 110 may be configured to rotate one or more links 170 about one or more link pins 180. In one or more embodiments, a rotation of one or more links 170 about one or more link pins 180 may be configured to retract nosecone 105 relative to handle proximal end 202. Illustratively, a retraction of nosecone 105 relative to handle proximal end 202 may be configured to retract flexible housing tube 300 relative to optic fiber 310. In one or more embodiments, a retraction of flexible housing tube 300 relative to optic fiber 310 may be configured to reduce a force applied to a portion of flexible housing tube 300, e.g., a portion of optic fiber 310 fixed to flexible housing tube 300 may be configured to reduce a force applied to flexible housing tube 300. Illustratively, a reduction of a force applied to a portion of flexible housing tube 300 may be configured to decompress a portion of flexible housing tube 300. In one or more embodiments, a decompression of a portion of flexible housing tube 300 may be configured to cause flexible housing tube 300 to gradually straighten. Illustratively, a gradual straightening of flexible housing tube 300 may be configured to gradually straighten optic fiber 310, e.g., from an optic fiber in a second partially straightened position 620 to an optic fiber in a third partially straightened position 630. In one or more embodiments, a line tangent to optic fiber distal end 311 may intersect a line tangent to flexible housing tube proximal end 302 at a third partially straightened angle, e.g., when optic fiber 310 comprises an optic fiber in a third partially straightened position 630. Illustratively, the third partially straightened angle may comprise any angle less than the second partially straightened angle. For example, the third partially straightened angle may comprise a 45 degree angle.

<figref idref="DRAWINGS">FIG. 6E</figref> illustrates an optic fiber in a fully straightened position 640. In one or more embodiments, a decompression of actuation structure 110 may be configured to gradually straighten optic fiber 310 from an optic fiber in a third partially straightened position 630 to an optic fiber in a fully straightened position 640. Illustratively, a decompression of actuation structure 110 may be configured to rotate one or more links 170 about one or more link pins 180. In one or more embodiments, a rotation of one or more links 170 about one or more link pins 180 may be configured to retract nosecone 105 relative to handle proximal end 202. Illustratively, a retraction of nosecone 105 relative to handle proximal end 202 may be configured to retract flexible housing tube 300 relative to optic fiber 310. In one or more embodiments, a retraction of flexible housing tube 300 relative to optic fiber 310 may be configured to reduce a force applied to a portion of flexible housing tube 300, e.g., a portion of optic fiber 310 fixed to flexible housing tube 300 may be configured to reduce a force applied to flexible housing tube 300. Illustratively, a reduction of a force applied to a portion of flexible housing tube 300 may be configured to decompress a portion of flexible housing tube 300. In one or more embodiments, a decompression of a portion of flexible housing tube 300 may be configured to cause flexible housing tube 300 to gradually straighten. Illustratively, a gradual straightening of flexible housing tube 300 may be configured to gradually straighten optic fiber 310, e.g., from an optic fiber in a third partially straightened position 630 to an optic fiber in a fully straightened position 640. In one or more embodiments, a line tangent to optic fiber distal end 311 may be parallel to a line tangent to flexible housing tube proximal end 302, e.g., when optic fiber 310 comprises an optic fiber in a fully straightened position 640.

Illustratively, a surgeon may aim optic fiber distal end 311 at any of a plurality of targets within an eye, e.g., to perform a photocoagulation procedure, to illuminate a surgical target site, etc. For example, a surgeon may aim optic fiber distal end 311 at any of a plurality of targets within a human eye, e.g., to perform a photocoagulation procedure, to illuminate a surgical target site, etc. In one or more embodiments, a surgeon may aim optic fiber distal end 311 at any target within a particular transverse plane of the inner eye by, e.g., rotating handle 200 to orient flexible housing tube 300 in an orientation configured to cause a curvature of flexible housing tube 300 within the particular transverse plane of the inner eye and varying an amount of compression of actuation structure 110. Illustratively, a surgeon may aim optic fiber distal end 311 at any target within a particular sagittal plane of the inner eye by, e.g., rotating handle 200 to orient flexible housing tube 300 in an orientation configured to cause a curvature of flexible housing tube 300 within the particular sagittal plane of the inner eye and varying an amount of compression of actuation structure 110. In one or more embodiments, a surgeon may aim optic fiber distal end 311 at any target within a particular frontal plane of the inner eye by, e.g., varying an amount of actuation of compression of actuation structure 110 to orient a line tangent to optic fiber distal end 311 wherein the line tangent to optic fiber distal end 311 is within the particular frontal plane of the inner eye and rotating handle 200. Illustratively, a surgeon may aim optic fiber distal end 311 at any target located outside of the particular transverse plane, the particular sagittal plane, and the particular frontal plane of the inner eye, e.g., by varying a rotational orientation of handle 200 and varying an amount of compression of actuation structure 110. In one or more embodiments, a surgeon may aim optic fiber distal end 311 at any target of a plurality of targets within an eye, e.g., without increasing a length of a portion of a steerable laser probe within the eye. Illustratively, a surgeon may aim optic fiber distal end 311 at any target of a plurality of targets within an eye, e.g., without decreasing a length of a portion of a steerable laser probe within the eye.

<figref idref="DRAWINGS">FIGS. 7A and 7B</figref> are schematic diagrams illustrating a handle 700. <figref idref="DRAWINGS">FIG. 7A</figref> illustrates a side view of a handle 700. Illustratively, handle 700 may comprise a handle distal end 701 and a handle proximal end 702. In one or more embodiments, a portion of nosecone 105 may be fixed to a portion of actuation structure 110, e.g., nosecone proximal end 107 may be fixed to actuation structure distal end 111. Illustratively, nosecone 105 may be fixed to actuation structure 110, e.g., by one or more links 170. In one or more embodiments, one or more link pins 180 may be configured to fix nosecone 105 to one or more links 170, e.g., a particular link pin 180 may be disposed within nosecone 105 and a particular link 170. Illustratively, one or more link pins 180 may be configured to fix actuation structure 110 to one or more links 170, e.g., a particular link pin 180 may be disposed within actuation structure 110 and a particular link 170. In one or more embodiments, a first link pin 180 may be configured to fix nosecone 105 to a particular link 170 and a second link pin 180 may be configured to fix actuation structure 110 to the particular link 175. Illustratively, one or more spacers 175 may be configured to prevent undesirable movement of one or more links 170 relative to one or more link pins 180, e.g., a particular spacer 175 may be disposed over a portion of a particular link pin 180 extending from a particular link 170.

In one or more embodiments, a portion of inner hypodermic tube 140 may be disposed within piston 150, e.g., inner hypodermic tube proximal end 142 may be disposed within piston 150. Illustratively, a portion of inner hypodermic tube 140 may be fixed within piston 150, e.g., by an adhesive or any suitable fixation means. In one or more embodiments, inner hypodermic tube proximal end 142 may be fixed within piston 150, e.g., by an adhesive or any suitable fixation means. Illustratively, actuation guide 130 may be disposed within outer sleeve 120. In one or more embodiments, actuation guide 130 may be fixed within outer sleeve 120, e.g., by an adhesive or any suitable fixation means. Illustratively, piston 150 may be disposed within actuation guide 130. In one or more embodiments, piston 150 may be configured to actuate within actuation guide 130.

In one or more embodiments, distal ring 116 may be disposed over a portion of front plug 115. Illustratively, front plug 115 may be configured to interface with a portion of outer sleeve 120, e.g., front plug 115 may be configured to interface with outer sleeve distal end 121. In one or more embodiments, front plug 115 may be configured to interface with a portion of actuation guide 130, e.g., front plug 115 may be configured to interface with actuation guide distal end 131. Illustratively, front plug 115 may be disposed within outer sleeve 120. In one or more embodiments, a portion of front plug 115 may be disposed within actuation guide 130. Illustratively, distal ring 116 may be disposed within actuation guide 130, e.g., distal ring 116 may be configured to form a hermetic seal within actuation guide 130.

In one or more embodiments, proximal ring 117 may be disposed over a portion of end plug 160. Illustratively, end plug 160 may be configured to interface with a portion of outer sleeve 120, e.g., end plug 160 may be configured to interface with outer sleeve proximal end 122. In one or more embodiments, end plug 160 may be configured to interface with a portion of actuation guide 130, e.g., end plug 160 may be configured to interface with actuation guide proximal end 132. For example, a portion of end plug 160 may be disposed within actuation guide 130. Illustratively, proximal ring 117 may be disposed within actuation guide 130, e.g., proximal ring 117 may be configured to form a hermetic seal within actuation guide 130. In one or more embodiments, end plug 160 may be disposed within outer sleeve 120. Illustratively, inner hypodermic tube 140 may be disposed within piston 150, actuation guide 130, front plug 115, distal ring 116, and nosecone 105. In one or more embodiments, a portion of inner hypodermic tube 140 may be fixed within nosecone 105, e.g., inner hypodermic tube distal end 141 may be fixed within nosecone 105. Illustratively, a portion of inner hypodermic tube 140 may be fixed within nosecone 105, e.g., by an adhesive or any suitable fixation means.

In one or more embodiments, a compression of actuation structure 110 may be configured to rotate one or more links 170 about one or more link pins 180. Illustratively, a rotation of one or more links 170 about one or more link pins 180 may be configured to extend a particular link pin 180, e.g., a particular link pin 180 disposed in nosecone 105, relative to handle proximal end 702. In one or more embodiments, an extension of a particular link pin 180 disposed in nosecone 105 relative to handle proximal end 702 may be configured to extend nosecone 105 relative to handle proximal end 702. Illustratively, a compression of actuation structure 110 may be configured to extend nosecone 105 relative to handle proximal end 702. In one or more embodiments, an extension of nosecone 105 relative to handle proximal end 702 may be configured to extend inner hypodermic tube 140 relative to handle proximal end 702. Illustratively, an extension of inner hypodermic tube 140 relative to handle proximal end 702 may be configured to actuate piston 150 within actuation guide 130. In one or more embodiments, a compression of actuation structure 110 may be configured to extend piston 150 relative to handle proximal end 702.

In one or more embodiments, a decompression of action structure 110 may be configured to rotate one or more links 170 about one or more link pins 180. Illustratively, a rotation of one or more links 170 about one or more link pins 180 may be configured to retract a particular link pin 180, e.g., a particular link pin 180 disposed in nosecone 105, relative to handle proximal end 702. In one or more embodiments, a retraction of a particular link pin 180 disposed in nosecone 105 relative to handle proximal end 702 may be configured to retract nosecone 105 relative to handle proximal end 702. Illustratively, a decompression of actuation structure 110 may be configured to retract nosecone 105 relative to handle proximal end 702. In one or more embodiments, a retraction of nosecone 105 relative to handle proximal end 702 may be configured to retract inner hypodermic tube 140 relative to handle proximal end 702. Illustratively, a retraction of inner hypodermic tube 140 relative to handle proximal end 702 may be configured to actuate piston 150 within actuation guide 130. In one or more embodiments, a decompression of actuation structure 110 may be configured to retract piston 150 relative to handle proximal end 702.

<figref idref="DRAWINGS">FIG. 7B</figref> illustrates a cross-sectional view of a handle 700. In one or more embodiments, handle 700 may comprise a cable housing 710, an inner bore 220, an optic fiber guide 230, and a flexible housing tube housing 240. Illustratively, handle 700 may be manufactured from any suitable material, e.g., polymers, metals, metal alloys, etc., or from any combination of suitable materials.

<figref idref="DRAWINGS">FIG. 8</figref> is a schematic diagram illustrating a flexible housing tube 300. Illustratively, flexible housing tube 300 may comprise a flexible housing tube distal end 301 and a flexible housing tube proximal end 302. Flexible housing tube 300 may be manufactured from any suitable material, e.g., polymers, metals, metal alloys, etc., or from any combination of suitable materials. Illustratively, flexible housing tube 300 may comprise a shape memory material, e.g., Nitinol. In one or more embodiments, flexible housing tube 300 may be manufactured from a material having an ultimate tensile strength between 700 and 1000 MPa. Illustratively, flexible housing tube 300 may be manufactured from a material having ultimate tensile strength less than 700 MPa or greater than 1000 MPa. In one or more embodiments, flexible housing tube 300 may be manufactured from a material having a modulus of elasticity between 30 and 80 GPa. Illustratively, flexible housing tube 300 may be manufactured from a material having a modulus of elasticity less than 30 GPa or greater than 80 GPa.

In one or more embodiments, flexible housing tube 300 may be manufactured with dimensions suitable for performing microsurgical procedures, e.g., ophthalmic surgical procedures. Illustratively, flexible housing tube 300 may be manufactured at gauge sizes commonly used in ophthalmic surgical procedures, e.g., 23 gauge, 25 gauge, etc. In one or more embodiments, flexible housing tube 300 may be configured to be inserted in a cannula, e.g., a cannula used during an ophthalmic surgical procedure. For example, one or more properties of flexible housing tube 300 may be optimized to reduce friction as flexible housing tube 300 is inserted into a cannula. In one or more embodiments, one or more properties of flexible housing tube 300 may be optimized to reduce friction as flexible housing tube 300 is removed from a cannula. Illustratively, flexible housing tube 300 may have an ultimate tensile strength between 1000 MPa and 1100 MPa. In one or more embodiments, flexible housing tube 300 may have an ultimate tensile strength less than 1000 MPa or greater than 1100 MPa.

In one or more embodiments, an optic fiber 310 may be disposed within flexible housing tube 300. Illustratively, optic fiber 310 may comprise an optic fiber distal end 311 and an optic fiber proximal end 312. In one or more embodiments, optic fiber 310 may be configured to transmit light, e.g., laser light. Illustratively, optic fiber 310 may be disposed within flexible housing tube 300 wherein optic fiber distal end 311 may be adjacent to flexible housing tube distal end 301. In one or more embodiments, a portion of optic fiber 310 may be fixed to a portion of flexible housing tube 300, e.g., by an adhesive or any suitable fixation means.

Illustratively, a cable 810 may be disposed within flexible housing tube 300. In one or more embodiments, cable 810 may comprise a cable distal end 811 and a cable proximal end 812. Illustratively, cable 810 may be disposed within flexible housing tube 300 wherein cable distal end 811 may be adjacent to flexible housing tube distal end 301. In one or more embodiments, a portion of cable 810 may be fixed to a portion of flexible housing tube 300, e.g., by an adhesive or any suitable fixation means. For example, cable 810 may be fixed to a portion of flexible housing tube 300 by a weld, a mechanical means, a tie, etc.

<figref idref="DRAWINGS">FIG. 9</figref> is a schematic diagram illustrating an exploded view of a steerable laser probe assembly 900. Illustratively, a steerable laser probe assembly 900 may comprise a handle 700, a flexible housing tube 300 having a flexible housing tube distal end 301 and a flexible housing tube proximal end 302, an optic fiber 310 having an optic fiber distal end 311 and an optic fiber proximal end 312, a cable 810 having a cable distal end 811 and a cable proximal end 812, and a light source interface 410. Illustratively, light source interface 410 may be configured to interface with optic fiber 310, e.g., at optic fiber proximal end 312. In one or more embodiments, light source interface 410 may comprise a standard light source connector, e.g., an SMA connector.

Illustratively, a portion of flexible housing tube 300 may be fixed to nosecone 105, e.g., flexible housing tube proximal end 302 may be fixed to nosecone distal end 106. In one or more embodiments, a portion of flexible housing tube 300 may be fixed to nosecone 105, e.g., by an adhesive or any suitable fixation means. Illustratively, a portion of flexible housing tube 300 may be disposed within nosecone 105, e.g., flexible housing tube proximal end 302 may be disposed within nosecone 105. In one or more embodiments, a portion of flexible housing tube 300 may be fixed within nosecone 105, e.g., by an adhesive or any suitable fixation means. Illustratively, a portion of flexible housing tube 300 may be disposed within flexible housing tube housing 240, e.g., flexible housing tube proximal end 302 may be disposed within flexible housing tube housing 240. In one or more embodiments, a portion of flexible housing tube 300 may be fixed within flexible housing tube housing 240, e.g., by an adhesive or any suitable fixation means. For example, a portion of flexible housing tube 300 may be fixed within flexible housing tube housing 240 by a press fit, a weld, etc.

Illustratively, optic fiber 310 may be disposed within inner bore 220, optic fiber guide 230, piston 150, inner hypodermic tube 140, nosecone 105, and flexible housing tube 300. In one or more embodiments, optic fiber 310 may be disposed within flexible housing tube 300 wherein optic fiber distal end 311 is adjacent to flexible housing tube distal end 301. In one or more embodiments, a portion of optic fiber 310 may be fixed to a portion of flexible housing tube 300, e.g., by an adhesive or any suitable fixation means.

Illustratively, cable 810 may be disposed within cable housing 710, optic fiber guide 230, piston 150, inner hypodermic tube 140, nosecone 105, and flexible housing tube 300. In one or more embodiment, cable 810 may be disposed within flexible housing tube 300 wherein cable distal end 811 may be adjacent to flexible housing tube distal end 301. In one or more embodiments, a portion of cable 810 may be fixed to a portion of flexible housing tube 300, e.g., by an adhesive or any suitable fixation means. For example, cable 810 may be fixed to a portion of flexible housing tube 300 by a weld, a mechanical means, a tie, etc. Illustratively, a portion of cable 810 may be fixed in cable housing 710, e.g., cable proximal end 812 may be fixed in cable housing 710. In one or more embodiments, a portion of cable 810 may be fixed in cable housing 710, e.g., by an adhesive or any suitable fixation means. For example, a portion of cable 810 may be fixed in cable housing 710 by a press fit, a weld, a tie, etc. Illustratively, cable 810 may be fixed in cable housing 710 and cable 810 may be fixed to a portion of flexible housing tube 300. Cable 810 may be manufactured from any suitable material, e.g., polymers, metals, metal alloys, etc., or from any combination of suitable materials.

In one or more embodiments, a compression of actuation structure 110 may be configured to rotate one or more links 170 about one or more link pins 180. Illustratively, a rotation of one or more links 170 about one or more link pins 180 may be configured to extend nosecone 105 relative to handle proximal end 702. In one or more embodiments, an extension of nosecone 105 relative to handle proximal end 702 may be configured to extend flexible housing tube 300 relative to handle proximal end 702. Illustratively, an extension of flexible housing tube 300 relative to handle proximal end 702 may be configured to extend flexible housing tube 300 relative to cable 810. In one or more embodiments, a portion of cable 810, e.g., a portion of cable 810 fixed to flexible housing tube 300, may be configured to resist an extension of flexible housing tube 300 relative to cable 810. Illustratively, cable 810 may be fixed within cable housing 710 and cable 810 may be fixed to flexible housing tube 300. In one or more embodiments, an extension of flexible housing tube 300 relative to cable 810 may be configured to apply a force to a portion of flexible housing tube 300. Illustratively, an application of a force to a portion of flexible housing tube 300 may be configured to compress a portion of flexible housing tube 300. In one or more embodiments, a compression of a portion of flexible housing tube 300 may be configured to cause flexible housing tube 300 to gradually curve. Illustratively, a gradual curving of flexible housing tube 300 may be configured to gradually curve optic fiber 310. In one or more embodiments, a compression of actuation structure 110 may be configured to gradually curve optic fiber 310. Illustratively, a compression of actuation structure 110 may be configured to gradually curve flexible housing tube 300.

In one or more embodiments, a decompression of actuation structure 110 may be configured to rotate one or more links 170 about one or more link pins 180. Illustratively, a rotation of one or more links 170 about one or more link pins 180 may be configured to retract nosecone 105 relative to handle proximal end 702. In one or more embodiments, a refraction of nosecone 105 relative to handle proximal end 702 may be configured to retract flexible housing tube 300 relative to handle proximal end 702. Illustratively, a retraction of flexible housing tube 300 relative to handle proximal end 702 may be configured to retract flexible housing tube 300 relative to cable 810. In one or more embodiments, a portion of cable 810, e.g., a portion of cable 810 fixed to flexible housing tube 300, may be configured to facilitate a retraction of flexible housing tube 300 relative to cable 810. Illustratively, cable 810 may be fixed within cable housing 710 and cable 810 may be fixed to flexible housing tube 300. In one or more embodiments, a retraction of flexible housing tube 300 relative to cable 810 may be configured to reduce a force applied to a portion of flexible housing tube 300. Illustratively, a reduction of a force applied to a portion of flexible housing tube 300 may be configured to decompress a portion of flexible housing tube 300. In one or more embodiments, a decompression of a portion of flexible housing tube 300 may be configured to cause flexible housing tube 300 to gradually straighten. Illustratively, a gradual straightening of flexible housing tube 300 may be configured to gradually straighten optic fiber 310. In one or more embodiments, a decompression of actuation structure 110 may be configured to gradually straighten optic fiber 310. Illustratively, a decompression of actuation structure 110 may be configured to gradually straighten flexible housing tube 300.

<figref idref="DRAWINGS">FIGS. 10A, 10B, 10C, 10D, and 10E</figref> are schematic diagrams illustrating a gradual curving of an optic fiber 310. <figref idref="DRAWINGS">FIG. 10A</figref> illustrates a straight optic fiber 1000. In one or more embodiments, optic fiber 310 may comprise a straight optic fiber 1000, e.g., when flexible housing tube 300 is fully retracted relative to cable 810. Illustratively, optic fiber 310 may comprise a straight optic fiber 1000, e.g., when actuation structure 110 is fully decompressed. In one or more embodiments, optic fiber 310 may comprise a straight optic fiber 1000, e.g., when nosecone 105 is fully retracted relative to handle proximal end 702. Illustratively, a line tangent to optic fiber distal end 311 may be parallel to a line tangent to flexible housing tube proximal end 302, e.g., when optic fiber 310 comprises a straight optic fiber 1000.

<figref idref="DRAWINGS">FIG. 10B</figref> illustrates an optic fiber in a first curved position 1010. In one or more embodiments, a compression of actuation structure 110 may be configured to gradually curve optic fiber 310 from a straight optic fiber 1000 to an optic fiber in a first curved position 1010. Illustratively, a compression of actuation structure 110 may be configured to rotate one or more links 170 about one or more link pins 180. In one or more embodiments, a rotation of one or more links 170 about one or more link pins 180 may be configured to extend nosecone 105 relative to handle proximal end 702. Illustratively, an extension of nosecone 105 relative to handle proximal end 702 may be configured to extend flexible housing tube 300 relative to cable 810. In one or more embodiments, an extension of flexible housing tube 300 relative to cable 810 may be configured to apply a force to a portion of flexible housing tube 300, e.g., a portion of cable 810 fixed to flexible housing tube 300 may be configured to apply a force to flexible housing tube 300. Illustratively, an application of a force to a portion of flexible housing tube 300 may be configured to compress a portion of flexible housing tube 300. In one or more embodiments, a compression of a portion of flexible housing tube 300 may be configured to cause flexible housing tube 300 to gradually curve. Illustratively, a gradual curving of flexible housing tube 300 may be configured to gradually curve optic fiber 310, e.g., from a straight optic fiber 1000 to an optic fiber in a first curved position 1010. In one or more embodiments, a line tangent to optic fiber distal end 311 may intersect a line tangent to flexible housing tube proximal end 302 at a first angle, e.g., when optic fiber 310 comprises an optic fiber in a first curved position 1010. In one or more embodiments, the first angle may comprise any angle greater than zero degrees. For example, the first angle may comprise a 45 degree angle.

<figref idref="DRAWINGS">FIG. 10C</figref> illustrates an optic fiber in a second curved position 1020. In one or more embodiments, a compression of actuation structure 110 may be configured to gradually curve optic fiber 310 from an optic fiber in a first curved position 1010 to an optic fiber in a second curved position 1020. Illustratively, a compression of actuation structure 110 may be configured to rotate one or more links 170 about one or more link pins 180. In one or more embodiments, a rotation of one or more links 170 about one or more link pins 180 may be configured to extend nosecone 105 relative to handle proximal end 702. Illustratively, an extension of nosecone 105 relative to handle proximal end 702 may be configured to extend flexible housing tube 300 relative to cable 810. In one or more embodiments, an extension of flexible housing tube 300 relative to cable 810 may be configured to apply a force to a portion of flexible housing tube 300, e.g., a portion of cable 810 fixed to flexible housing tube 300 may be configured to apply a force to flexible housing tube 300. Illustratively, an application of a force to a portion of flexible housing tube 300 may be configured to compress a portion of flexible housing tube 300. In one or more embodiments, a compression of a portion of flexible housing tube 300 may be configured to cause flexible housing tube 300 to gradually curve. Illustratively, a gradual curving of flexible housing tube 300 may be configured to gradually curve optic fiber 310, e.g., from an optic fiber in a first curved position 1010 to an optic fiber in a second curved position 1020. In one or more embodiments, a line tangent to optic fiber distal end 311 may intersect a line tangent to flexible housing tube proximal end 302 at a second angle, e.g., when optic fiber 310 comprises an optic fiber in a second curved position 1020. In one or more embodiments, the second angle may comprise any angle greater than the first angle. For example, the second angle may comprise a 90 degree angle.

<figref idref="DRAWINGS">FIG. 10D</figref> illustrates an optic fiber in a third curved position 1030. In one or more embodiments, a compression of actuation structure 110 may be configured to gradually curve optic fiber 310 from an optic fiber in a second curved position 1020 to an optic fiber in a third curved position 1030. Illustratively, a compression of actuation structure 110 may be configured to rotate one or more links 170 about one or more link pins 180. In one or more embodiments, a rotation of one or more links 170 about one or more link pins 180 may be configured to extend nosecone 105 relative to handle proximal end 702. Illustratively, an extension of nosecone 105 relative to handle proximal end 702 may be configured to extend flexible housing tube 300 relative to cable 810. In one or more embodiments, an extension of flexible housing tube 300 relative to cable 810 may be configured to apply a force to a portion of flexible housing tube 300, e.g., a portion of cable 810 fixed to flexible housing tube 300 may be configured to apply a force to flexible housing tube 300. Illustratively, an application of a force to a portion of flexible housing tube 300 may be configured to compress a portion of flexible housing tube 300. In one or more embodiments, a compression of a portion of flexible housing tube 300 may be configured to cause flexible housing tube 300 to gradually curve. Illustratively, a gradual curving of flexible housing tube 300 may be configured to gradually curve optic fiber 310, e.g., from an optic fiber in a second curved position 1020 to an optic fiber in a third curved position 1030. In one or more embodiments, a line tangent to optic fiber distal end 311 may intersect a line tangent to flexible housing tube proximal end 302 at a third angle, e.g., when optic fiber 310 comprises an optic fiber in a third curved position 1030. In one or more embodiments, the third angle may comprise any angle greater than the second angle. For example, the third angle may comprise a 135 degree angle.

<figref idref="DRAWINGS">FIG. 10E</figref> illustrates an optic fiber in a fourth curved position 1040. In one or more embodiments, a compression of actuation structure 110 may be configured to gradually curve optic fiber 310 from an optic fiber in a third curved position 1030 to an optic fiber in a fourth curved position 1040. Illustratively, a compression of actuation structure 110 may be configured to rotate one or more links 170 about one or more link pins 180. In one or more embodiments, a rotation of one or more links 170 about one or more link pins 180 may be configured to extend nosecone 105 relative to handle proximal end 702. Illustratively, an extension of nosecone 105 relative to handle proximal end 702 may be configured to extend flexible housing tube 300 relative to cable 810. In one or more embodiments, an extension of flexible housing tube 300 relative to cable 810 may be configured to apply a force to a portion of flexible housing tube 300, e.g., a portion of cable 810 fixed to flexible housing tube 300 may be configured to apply a force to flexible housing tube 300. Illustratively, an application of a force to a portion of flexible housing tube 300 may be configured to compress a portion of flexible housing tube 300. In one or more embodiments, a compression of a portion of flexible housing tube 300 may be configured to cause flexible housing tube 300 to gradually curve. Illustratively, a gradual curving of flexible housing tube 300 may be configured to gradually curve optic fiber 310, e.g., from an optic fiber in a third curved position 1030 to an optic fiber in a fourth curved position 1040. In one or more embodiments, a line tangent to optic fiber distal end 311 may be parallel to a line tangent to flexible housing tube proximal end 302, e.g., when optic fiber 310 comprises an optic fiber in a fourth curved position 1040.

In one or more embodiments, one or more properties of a steerable laser probe may be adjusted to attain one or more desired steerable laser probe features. Illustratively, a length that flexible housing tube distal end 301 extends from nosecone distal end 106 may be adjusted to vary an amount of compression of actuation structure 110 configured to curve flexible housing tube 300 to a particular curved position. In one or more embodiments, a stiffness of flexible housing tube 300 may be adjusted to vary an amount of compression of actuation structure 110 configured to curve flexible housing tube 300 to a particular curved position. Illustratively, flexible housing tube 300 may comprise a solid tube structure. In one or more embodiments, flexible housing tube 300 may comprise one or more apertures, e.g., configured to vary a stiffness of flexible housing tube 300. Illustratively, a material comprising flexible housing tube 300 may be adjusted to vary an amount of compression of actuation structure 110 configured to curve flexible housing tube 300 to a particular curved position. In one or more embodiments, a stiffness of flexible housing tube 300 may be adjusted to vary a bend radius of flexible housing tube 300. Illustratively, a stiffness of flexible housing tube 300 may be adjusted to vary a radius of curvature of flexible housing tube 300, e.g., when flexible housing tube 300 is in a particular curved position.

In one or more embodiments, at least a portion of optic fiber 310 may be enclosed in an optic fiber sleeve configured to, e.g., protect optic fiber 310, vary a stiffness of optic fiber 310, vary an optical property of optic fiber 310, etc. Illustratively, optic fiber 310 may comprise a buffer, a cladding disposed in the buffer, and a core disposed in the cladding. In one or more embodiments, at least a portion of optic fiber 310 may comprise a buffer configured to protect an optical property of optic fiber 310. Illustratively, at least a portion of optic fiber 310 may comprise a buffer configured to protect an optical layer of optic fiber 310, e.g., the buffer may protect an optical layer of a curved portion of optic fiber 310. In one or more embodiments, at least a portion of optic fiber 310 may comprise a polyimide buffer configured to protect an optical property of optic fiber 310. For example, at least a portion of optic fiber 310 may comprise a Kapton buffer configured to protect an optical property of optic fiber 310.

In one or more embodiments, a location wherein cable 810 may be fixed to flexible housing tube 300 may be adjusted to vary an amount of compression of actuation structure 110 configured to curve flexible housing tube 300 to a particular curved position. For example, a portion of cable 810 may be fixed to an outer portion of flexible housing tube 300. Illustratively, cable 810 may be fixed to flexible housing tube 300 at a plurality of fixation points, e.g., to vary one or more properties of a steerable laser probe. In one or more embodiments, a length of cable 810 may be adjusted to vary an amount of compression of actuation structure 110 configured to curve flexible housing tube 300 to a particular curved position. Illustratively, a steerable laser probe may comprise one or more redundant cables 810. In one or more embodiments, one or more redundant cables 810 may be configured to maintain a particular curved position of flexible housing tube 300, e.g., in the event that cable 810 breaks or fails. Illustratively, one or more redundant cables 810 may be configured to maintain a particular curved position of flexible housing tube 300, e.g., in the event that a cable 810 fixation means fails. In one or more embodiments, one or more redundant cables 810 may be configured to maintain a particular curved position of flexible housing tube 300, e.g., in the event that cable 810 is no longer configured to maintain the particular curved position of flexible housing tube 300. Illustratively, one or more redundant cables 810 may be configured to maintain a particular curved position of flexible housing tube 300 wherein cable 810 is also configured to maintain the particular curved position of flexible housing tube 300.

In one or more embodiments, flexible housing tube 300 may comprise an access window configured to allow access to a portion cable 810. Illustratively, cable 810 may be fixed to a portion of flexible housing tube 300, e.g., by looping a portion of cable 810 through an aperture in flexible housing tube 300. In one or more embodiments, cable 810 may be fixed to a portion of flexible housing tube 300, e.g., by a purely mechanical means. For example, cable 810 may be fixed to a portion of flexible housing tube 300 in a manner other than by an adhesive, a weld, etc. Illustratively, cable 810 may be fixed to a portion of flexible housing tube 300 wherein a portion of cable 810 is configured to fail at a first applied failure force and a fixation means that fixes a portion of cable 810 to a portion of flexible housing tube 300 is configured to fail at a second applied failure force. In one or more embodiments, the second applied failure force may be greater than the first applied failure force.

Illustratively, a steerable laser probe may be configured to indicate, e.g., to a surgeon, a direction that optic fiber 310 may curve, e.g., due to a compression of actuation structure 110. In one or more embodiments, a portion of a steerable laser probe, e.g., handle 700, may be marked in a manner configured to indicate a direction that optic fiber 310 may curve. For example, a portion of flexible housing tube 300 may comprise a mark configured to indicate a direction that optic fiber 310 may curve. Illustratively, flexible housing tube 300 may comprise a slight curve, e.g., a curve less than 7.5 degrees, when actuation structure 110 is fully decompressed. In one or more embodiments, flexible housing tube 300 may comprise a slight curve configured to indicate a direction that optic fiber 310 may curve, e.g., due to a compression of actuation structure 110.

Illustratively, a steerable laser probe may comprise an actuation structure 110, a nosecone 105 fixed to actuation structure 110 by one or more links 170 and one or more link pins 180, a flexible housing tube 300, an optic fiber 310, and a cable 810. In one or more embodiments, a compression of actuation structure 110 may be configured to extend nosecone 105 relative to actuation structure proximal end 112. Illustratively, an extension of nosecone 105 relative to actuation structure proximal end 112 may be configured to extend flexible housing tube 300 relative to cable 810. In one or more embodiments, an extension of flexible housing tube 300 relative to cable 810 may be configured to apply a force to flexible housing tube 300. Illustratively an application of a force to flexible housing tube 300 may be configured to compress a portion of flexible housing tube 300. In one or more embodiments, a compression of a portion of flexible housing tube 300 may cause flexible housing tube 300 to gradually curve. Illustratively, a gradual curving of flexible housing tube 300 may be configured to gradually curve optic fiber 310.

<figref idref="DRAWINGS">FIGS. 11A, 11B, 11C, 11D, and 11E</figref> are schematic diagrams illustrating a gradual straightening of an optic fiber 310. <figref idref="DRAWINGS">FIG. 11A</figref> illustrates a fully curved optic fiber 1100. In one or more embodiments, optic fiber 310 may comprise a fully curved optic fiber 1100, e.g., when flexible housing tube 300 is fully extended relative to cable 810. Illustratively, optic fiber 310 may comprise a fully curved optic fiber 1100, e.g., when actuation structure 110 is fully compressed. In one or more embodiments, optic fiber 310 may comprise a fully curved optic fiber 1100, e.g., when nosecone 105 is fully extended relative to handle proximal end 702. Illustratively, a line tangent to optic fiber distal end 311 may be parallel to a line tangent to flexible housing tube proximal end 302, e.g., when optic fiber 310 comprises a fully curved optic fiber 1100.

<figref idref="DRAWINGS">FIG. 11B</figref> illustrates an optic fiber in a first partially straightened position 1110. In one or more embodiments, a decompression of actuation structure 110 may be configured to gradually straighten optic fiber 310 from a fully curved optic fiber 1100 to an optic fiber in a first partially straightened position 1110. Illustratively, a decompression of actuation structure 110 may be configured to rotate one or more links 170 about one or more link pins 180. In one or more embodiments, a rotation of one or more links 170 about one or more link pins 180 may be configured to retract nosecone 105 relative to handle proximal end 702. Illustratively, a retraction of nosecone 105 relative to handle proximal end 702 may be configured to retract flexible housing tube 300 relative to cable 810. In one or more embodiments, a retraction of flexible housing tube 300 relative to cable 810 may be configured to reduce a force applied to a portion of flexible housing tube 300, e.g., a portion of cable 810 fixed to flexible housing tube 300 may be configured to reduce a force applied to flexible housing tube 300. Illustratively, a reduction of a force applied to a portion of flexible housing tube 300 may be configured to decompress a portion of flexible housing tube 300. In one or more embodiments, a decompression of a portion of flexible housing tube 300 may be configured to cause flexible housing tube 300 to gradually straighten. Illustratively, a gradual straightening of flexible housing tube 300 may be configured to gradually straighten optic fiber 310, e.g., from a fully curved optic fiber 1100 to an optic fiber in a first partially straightened position 1110. In one or more embodiments, a line tangent to optic fiber distal end 311 may intersect a line tangent to flexible housing tube proximal end 302 at a first partially straightened angle, e.g., when optic fiber 310 comprises an optic fiber in a first partially straightened position 1110. Illustratively, the first partially straightened angle may comprise any angle less than 180 degrees. For example, the first partially straightened angle may comprise a 135 degree angle.

<figref idref="DRAWINGS">FIG. 11C</figref> illustrates an optic fiber in a second partially straightened position 1120. In one or more embodiments, a decompression of actuation structure 110 may be configured to gradually straighten optic fiber 310 from an optic fiber in a first partially straightened position 1110 to an optic fiber in a second partially straightened position 1120. Illustratively, a decompression of actuation structure 110 may be configured to rotate one or more links 170 about one or more link pins 180. In one or more embodiments, a rotation of one or more links 170 about one or more link pins 180 may be configured to retract nosecone 105 relative to handle proximal end 702. Illustratively, a retraction of nosecone 105 relative to handle proximal end 702 may be configured to retract flexible housing tube 300 relative to cable 810. In one or more embodiments, a retraction of flexible housing tube 300 relative to cable 810 may be configured to reduce a force applied to a portion of flexible housing tube 300, e.g., a portion of cable 810 fixed to flexible housing tube 300 may be configured to reduce a force applied to flexible housing tube 300. Illustratively, a reduction of a force applied to a portion of flexible housing tube 300 may be configured to decompress a portion of flexible housing tube 300. In one or more embodiments, a decompression of a portion of flexible housing tube 300 may be configured to cause flexible housing tube 300 to gradually straighten. Illustratively, a gradual straightening of flexible housing tube 300 may be configured to gradually straighten optic fiber 310, e.g., from an optic fiber in a first partially straightened position 1110 to an optic fiber in a second partially straightened position 1120. In one or more embodiments, a line tangent to optic fiber distal end 311 may intersect a line tangent to flexible housing tube proximal end 302 at a second partially straightened angle, e.g., when optic fiber 310 comprises an optic fiber in a second partially straightened position 1120. Illustratively, the second partially straightened angle may comprise any angle less than the first partially straightened angle. For example, the second partially straightened angle may comprise a 90 degree angle.

<figref idref="DRAWINGS">FIG. 11D</figref> illustrates an optic fiber in a third partially straightened position 1130. In one or more embodiments, a decompression of actuation structure 110 may be configured to gradually straighten optic fiber 310 from an optic fiber in a second partially straightened position 1120 to an optic fiber in a third partially straightened position 1130. Illustratively, a decompression of actuation structure 110 may be configured to rotate one or more links 170 about one or more link pins 180. In one or more embodiments, a rotation of one or more links 170 about one or more link pins 180 may be configured to retract nosecone 105 relative to handle proximal end 702. Illustratively, a retraction of nosecone 105 relative to handle proximal end 702 may be configured to retract flexible housing tube 300 relative to cable 810. In one or more embodiments, a retraction of flexible housing tube 300 relative to cable 810 may be configured to reduce a force applied to a portion of flexible housing tube 300, e.g., a portion of cable 810 fixed to flexible housing tube 300 may be configured to reduce a force applied to flexible housing tube 300. Illustratively, a reduction of a force applied to a portion of flexible housing tube 300 may be configured to decompress a portion of flexible housing tube 300. In one or more embodiments, a decompression of a portion of flexible housing tube 300 may be configured to cause flexible housing tube 300 to gradually straighten. Illustratively, a gradual straightening of flexible housing tube 300 may be configured to gradually straighten optic fiber 310, e.g., from an optic fiber in a second partially straightened position 1120 to an optic fiber in a third partially straightened position 1130. In one or more embodiments, a line tangent to optic fiber distal end 311 may intersect a line tangent to flexible housing tube proximal end 302 at a third partially straightened angle, e.g., when optic fiber 310 comprises an optic fiber in a third partially straightened position 1130. Illustratively, the third partially straightened angle may comprise any angle less than the second partially straightened angle. For example, the third partially straightened angle may comprise a 45 degree angle.

<figref idref="DRAWINGS">FIG. 11E</figref> illustrates an optic fiber in a fully straightened position 1140. In one or more embodiments, a decompression of actuation structure 110 may be configured to gradually straighten optic fiber 310 from an optic fiber in a third partially straightened position 1130 to an optic fiber in a fully straightened position 1140. Illustratively, a decompression of actuation structure 110 may be configured to rotate one or more links 170 about one or more link pins 180. In one or more embodiments, a rotation of one or more links 170 about one or more link pins 180 may be configured to retract nosecone 105 relative to handle proximal end 702. Illustratively, a retraction of nosecone 105 relative to handle proximal end 702 may be configured to retract flexible housing tube 300 relative to cable 810. In one or more embodiments, a retraction of flexible housing tube 300 relative to cable 810 may be configured to reduce a force applied to a portion of flexible housing tube 300, e.g., a portion of cable 810 fixed to flexible housing tube 300 may be configured to reduce a force applied to flexible housing tube 300. Illustratively, a reduction of a force applied to a portion of flexible housing tube 300 may be configured to decompress a portion of flexible housing tube 300. In one or more embodiments, a decompression of a portion of flexible housing tube 300 may be configured to cause flexible housing tube 300 to gradually straighten. Illustratively, a gradual straightening of flexible housing tube 300 may be configured to gradually straighten optic fiber 310, e.g., from an optic fiber in a third partially straightened position 1130 to an optic fiber in a fully straightened position 1140. In one or more embodiments, a line tangent to optic fiber distal end 311 may be parallel to a line tangent to flexible housing tube proximal end 302, e.g., when optic fiber 310 comprises an optic fiber in a fully straightened position 1140.

Illustratively, a surgeon may aim optic fiber distal end 311 at any of a plurality of targets within an eye, e.g., to perform a photocoagulation procedure, to illuminate a surgical target site, etc. For example, a surgeon may aim optic fiber distal end 311 at any of a plurality of targets within a human eye, e.g., to perform a photocoagulation procedure, to illuminate a surgical target site, etc. In one or more embodiments, a surgeon may aim optic fiber distal end 311 at any target within a particular transverse plane of the inner eye by, e.g., rotating handle 700 to orient flexible housing tube 300 in an orientation configured to cause a curvature of flexible housing tube 300 within the particular transverse plane of the inner eye and varying an amount of compression of actuation structure 110. Illustratively, a surgeon may aim optic fiber distal end 311 at any target within a particular sagittal plane of the inner eye by, e.g., rotating handle 700 to orient flexible housing tube 300 in an orientation configured to cause a curvature of flexible housing tube 300 within the particular sagittal plane of the inner eye and varying an amount of compression of actuation structure 110. In one or more embodiments, a surgeon may aim optic fiber distal end 311 at any target within a particular frontal plane of the inner eye by, e.g., varying an amount of actuation of compression of actuation structure 110 to orient a line tangent to optic fiber distal end 311 wherein the line tangent to optic fiber distal end 311 is within the particular frontal plane of the inner eye and rotating handle 700. Illustratively, a surgeon may aim optic fiber distal end 311 at any target located outside of the particular transverse plane, the particular sagittal plane, and the particular frontal plane of the inner eye, e.g., by varying a rotational orientation of handle 700 and varying an amount of compression of actuation structure 110. In one or more embodiments, a surgeon may aim optic fiber distal end 311 at any target of a plurality of targets within an eye, e.g., without increasing a length of a portion of a steerable laser probe within the eye. Illustratively, a surgeon may aim optic fiber distal end 311 at any target of a plurality of targets within an eye, e.g., without decreasing a length of a portion of a steerable laser probe within the eye.

The foregoing description has been directed to particular embodiments of this invention. It will be apparent; however, that other variations and modifications may be made to the described embodiments, with the attainment of some or all of their advantages. Specifically, it should be noted that the principles of the present invention may be implemented in any system. Furthermore, while this description has been written in terms of a surgical instrument, the teachings of the present invention are equally suitable to systems where the functionality may be employed. Therefore, it is the object of the appended claims to cover all such variations and modifications as come within the true spirit and scope of the invention.

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Priority claims
Document	Office	Kind	Date
201261697534	United States of America	P	2012-09-06
201313963038	United States of America	A	2013-08-09
201514954265	United States of America	A	2015-11-30
13963038	–	–	–
US201261697534P	–	–	–
US201313963038	–	–	–
US201514954265	–	–	–

Members9

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US2016074224A1	United States of America	A1	2016-03-17
US9539142B2This record	United States of America	B2	2017-01-10
US2017151094A1	United States of America	A1	2017-06-01
US9775744B2	United States of America	B2	2017-10-03
US9901484B1	United States of America	B1	2018-02-27
US2019060120A1	United States of America	A1	2019-02-28
US10792187B2	United States of America	B2	2020-10-06

54 transactions on the USPTO file

Allowed after 1 non-final rejection, 1 final rejection and 1 RCE.

Non-final rejections: 1
Final rejections: 1
RCEs: 1
Appeals: 0

Over time

Point at a mark for the transaction

Transactions

Prosecution transactions, newest first
	Event	Code
2018-07-18	Email NotificationEML_NTR	EML_NTR
2018-07-18	Change in Power of Attorney (May Include Associate POA)PA..	PA..
2018-07-17	Correspondence Address ChangeC.AD	C.AD
2017-01-10	Recordation of Patent Grant MailedPGM/	PGM/
2017-01-10	Patent Issue Date Used in PTA CalculationAllowedPTAC	PTAC
2016-12-22	Email NotificationEML_NTR	EML_NTR
2016-12-21	Issue Notification MailedAllowedWPIR	WPIR
2016-12-07	Dispatch to FDCD1935	D1935
2016-12-06	Application Is Considered Ready for IssuePILS	PILS
2016-11-30	Issue Fee Payment VerifiedN084	N084
2016-11-30	Issue Fee Payment ReceivedIFEE	IFEE
2016-11-25	Electronic ReviewELC_RVW	ELC_RVW
2016-11-25	Email NotificationEML_NTF	EML_NTF
2016-11-25	Mail Notice of AllowanceAllowedMN/=.	MN/=.
2016-11-20	Notice of Allowance Data Verification CompletedAllowedN/=.	N/=.
2016-11-10	Reasons for AllowanceEX.R	EX.R
2016-11-10	Examiner's Amendment CommunicationEX.A	EX.A
2016-11-09	Interview Summary - Examiner Initiated - TelephonicEXET	EXET
2016-11-09	Paralegal or electronic terminal disclaimer approvedP574	P574
2016-11-09	Terminal Disclaimer FiledDIST	DIST
2016-10-05	Date Forwarded to ExaminerFWDX	FWDX
2016-10-05	Disposal for a RCE / CPA / R129AbandonedABN9	ABN9
2016-10-04	Request for Continued Examination (RCE)RCEX	RCEX
2016-10-04	Workflow - Request for RCE - BeginBRCE	BRCE
2016-07-08	Electronic ReviewELC_RVW	ELC_RVW
2016-07-08	Email NotificationEML_NTF	EML_NTF
2016-07-08	Mail Final Rejection (PTOL - 326)Final rejectionMCTFR	MCTFR
2016-07-05	Final RejectionFinal rejectionCTFR	CTFR
2016-06-15	Date Forwarded to ExaminerFWDX	FWDX
2016-06-10	Response after Non-Final ActionA...	A...
2016-04-06	Electronic ReviewELC_RVW	ELC_RVW
2016-04-06	Email NotificationEML_NTF	EML_NTF
2016-04-06	Mail Non-Final RejectionNon-final rejectionMCTNF	MCTNF
2016-04-01	Non-Final RejectionNon-final rejectionCTNF	CTNF
2016-03-18	Email NotificationEML_NTR	EML_NTR
2016-03-17	PG-Pub Issue NotificationPG-ISSUE	PG-ISSUE
2016-03-14	Information Disclosure Statement consideredIDSC	IDSC
2015-12-30	Case Docketed to Examiner in GAUDOCK	DOCK
2015-12-11	Email NotificationEML_NTR	EML_NTR
2015-12-11	Application ready for PDX access by participating foreign officesCCRDY	CCRDY
2015-12-11	Application Is Now CompleteCOMP	COMP
2015-12-11	Filing ReceiptFLRCPT.O	FLRCPT.O
2015-12-11	Letter Accepting Permission for Application Access by Foreign IPOSB39ACPR	SB39ACPR
2015-12-10	Application Dispatched from OIPEOIPE	OIPE
2015-12-10	FITF set to YES - revise initial settingFTFS	FTFS
2015-12-10	Applicant Has Filed a Verified Statement of Small Entity Status in Compliance with 37 CFR 1.27SMAL	SMAL
2015-12-03	Electronic Information Disclosure StatementEIDS.	EIDS.
2015-12-03	Information Disclosure Statement (IDS) FiledWIDS	WIDS
2015-12-01	Cleared by OIPE CSRL194	L194
2015-11-30	Patent Term Adjustment - Ready for ExaminationPTA.RFE	PTA.RFE
2015-11-30	Applicants have given acceptable permission for participating foreignAPPERMS	APPERMS
2015-11-30	IFW Scan & PACR Auto Security ReviewSCAN	SCAN
2015-11-30	Entity status set to undiscounted (initial default setting or status change)BIG.	BIG.
2015-11-30	Initial Exam Team nnIEXX	IEXX

4 legal events, as the office reported them to INPADOC

Over the term

Point at a mark for the event

Events

Legal events, newest first
	Event	Code
2023-10-31	Fee payment procedureENTITY STATUS SET TO UNDISCOUNTED (ORIGINAL EVENT CODE: BIG.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITYFEPP	FEPP
2020-06-04	Maintenance fee paymentMAFP	MAFP
2016-12-21	Information on status: patent grantGrantedPATENTED CASESTCF	STCF
2015-12-07	AssignmentAS	AS

Numbers

Publication: 09539142
Publication, DOCDB: 9539142
Publication, EPODOC: US9539142
Application: 14954265
Application, DOCDB: 201514954265
Application, EPODOC: US201514954265

Titles

English: Steerable laser probe

Classification

CPC, 9: A61F9/00821
A61B18/20
A61F2009/00863
A61B18/22
A61B18/24
A61B2017/00469
A61F9/008
A61B2018/2238
A61B2018/2244
Filled: the office’s first classification
IPC, 6: A61B18 18
A61F9 008
A61B18 20
A61B18 24
A61B17 00
A61B18 22
USPC, 1: 001001000

Steerable laser probe

Summary by NHIP

Claim Score by NHIP

Abstract

Term

FIELD OF THE INVENTION

BACKGROUND OF THE INVENTION

BRIEF SUMMARY OF THE INVENTION

BRIEF DESCRIPTION OF THE DRAWINGS

DETAILED DESCRIPTION OF AN ILLUSTRATIVE EMBODIMENT

Priority claims7

Members9

Over time

Transactions

Over the term

Events

Numbers

Titles

Classification

Abstract

Term

CROSS-REFERENCE TO RELATED APPLICATIONS

FIELD OF THE INVENTION

BACKGROUND OF THE INVENTION

BRIEF SUMMARY OF THE INVENTION

BRIEF DESCRIPTION OF THE DRAWINGS

DETAILED DESCRIPTION OF AN ILLUSTRATIVE EMBODIMENT

Priority claims7

Members9

Over time

Transactions

Over the term

Events

Numbers

Titles

Classification